diff --git a/CDF/gsl_cdf.pd b/CDF/gsl_cdf.pd
index 35e4ded..2bace9c 100644
--- a/CDF/gsl_cdf.pd
+++ b/CDF/gsl_cdf.pd
@@ -1,11 +1,6 @@
 use strict;
 use warnings;
 
-{
-package PDL::GSL;
-our $VERSION = '2.098';
-}
-
 pp_addpm({At=>'Top'},<<'EOD');
 
 use strict;
diff --git a/GSL.pm b/GSL.pm
new file mode 100644
index 0000000..d8877ba
--- /dev/null
+++ b/GSL.pm
@@ -0,0 +1,41 @@
+package PDL::GSL;
+
+use strict;
+use warnings;
+
+our $VERSION = '2.098';
+
+=head1 NAME
+
+PDL::GSL - PDL interface to the GNU Scientific Library
+
+=head1 DESCRIPTION
+
+This is an interface to the GNU Scientific Library. It contains the
+following packages:
+
+=over
+
+=item L<PDL::GSL::CDF>
+
+=item L<PDL::GSL::DIFF>
+
+=item L<PDL::GSL::INTEG>
+
+=item L<PDL::GSL::INTERP>
+
+=item L<PDL::GSL::LINALG>
+
+=item L<PDL::GSL::MROOT>
+
+=item L<PDL::GSL::RNG>
+
+=item L<PDL::GSL::SF>
+
+=item L<PDL::Stats::Distr>
+
+=back
+
+=cut
+
+1;
diff --git a/MANIFEST b/MANIFEST
index a928e4c..a377426 100644
--- a/MANIFEST
+++ b/MANIFEST
@@ -10,6 +10,7 @@ DIFF/t/gsl_diff.t
 Distr/distr.pd
 Distr/Makefile.PL
 Distr/t/stats_distr.t
+GSL.pm
 gslerr.h
 INTEG/FUNC.c
 INTEG/gsl_integ.pd
diff --git a/Makefile.PL b/Makefile.PL
index e92792a..c4f0627 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -45,7 +45,7 @@ my $package_name = "PDL::GSL";
 $repo = "PDLPorters/$repo";
 WriteMakefile(
   NAME => $package_name,
-  VERSION_FROM => 'CDF/gsl_cdf.pd',
+  VERSION_FROM => 'GSL.pm',
   AUTHOR => 'PerlDL Developers <pdl-general@lists.sourceforge.net>',
   CONFIGURE_REQUIRES => {
     'ExtUtils::MakeMaker' => 0,